Siemens SIPROTEC User Manual

Functions
2.25 Function Control and Circuit Breaker Test
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
448
In 7SD5 the position of the circuit breaker poles detected by the device is also transmitted to the remote end
device(s). This way, the circuit breaker positions of all ends are known at all ends. The highcurrent switch-on-
to-fault protection (Section 2.14) makes use of this function.
Figure 2-222 Circuit breaker position logic

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English